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Paranatrolite Mineral Data
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General Paranatrolite Information
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 Chemical Formula: |
Na2[Al2Si3O10]•3(H2O) |
| Composition: |
Molecular Weight = 415.43 gm |
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Potassium 2.07 % K 2.49 % K2O |
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Sodium 10.24 % Na 13.80 % Na2O |
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Calcium 0.58 % Ca 0.81 % CaO |
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Aluminum 16.50 % Al 31.17 % Al2O3 |
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Silicon 18.66 % Si 39.92 % SiO2 |
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Hydrogen 1.50 % H 13.44 % H2O |
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Oxygen 50.45 % O |
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______ ______ |
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100.00 % 101.64 % = TOTAL OXIDE |
| Empirical Formula: |
Na1.85K0.22Ca0.06Al2.54Si2.76O10•3.1(H2O) |
| Environment: |
Unstable mineral epitaxial on natrolite. Dehydrates to tetranatrolite. |
| IMA Status: |
IMA Status in Question 1998 |
| Locality: |
Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data. |
| Name Origin: |
The name given in 1980 recognizes its association with and similarity in chemical composition to natrolite. |
| Name Pronunciation: |
Paranatrolite + Pronunciation  |
| Synonym: |
ICSD 63218 |
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IMA1978-017 |
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PDF 42-1386 |
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Paranatrolite Image |
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Images:
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Paranatrolite Crystallography
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| Axial Ratios: |
a:b:c =0.3434:1:0.5183 |
| Cell Dimensions: |
a = 6.5952, b = 19.204, c = 9.955, Z = 4; beta = 107.737° V = 1,200.91 Den(Calc)= 2.30 |
| Crystal System: |
Monoclinic - Domatic H-M Symbol (m) Space Group: Cc |
| X Ray Diffraction: |
By Intensity(I/Io): 2.94(1), 5.92(0.6), 4.44(0.4), |
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Physical Properties of Paranatrolite
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| Cleavage: |
None |
| Color: |
Colorless, White, Pink. |
| Density: |
2.21 |
| Diaphaneity: |
Transparent |
| Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
| Habit: |
Epitaxial - Crystallographic alignment with a precursor mineral |
| Hardness: |
5-5.5 - Apatite-Knife Blade |
| Luster: |
Vitreous - Greasy |
| Streak: |
white |
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Optical Properties of Paranatrolite
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| Optical Data: |
NCalc= 1.52 - from Gladstone-Dale relationship (KC = 0.2261) where Ncalc=Dcalc*KC+1
NCalc= 1.5 - from Gladstone-Dale relationship (KC = 0.2261) where Ncalc=Dmeas*KC+1
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Calculated Properties of Paranatrolite
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| Electron Density: |
Bulk Density (Electron Density)=2.31 gm/cc
note: Specific Gravity of Paranatrolite =2.30 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0089686248
Boson Index = 0.9910313752 |
| Photoelectric: |
PEParanatrolite = 1.66 barns/electron
U=PEParanatrolite x relectron= 3.82 barns/cc.
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| Radioactivity: |
GRapi = 29.95 (Gamma Ray American Petroleum Institute Units)
Concentration of Paranatrolite per GRapi unit = 3.34 (%)
Estimated Radioactivity from Paranatrolite  - barely detectable
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Paranatrolite Classification
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| Dana Class: |
77.01.05.03 (77)Tectosilicate Zeolite group |
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(77.01)true zeolites |
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(77.01.05)Natrolite and related species |
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77.01.05.01 Natrolite Na2[Al2Si3O10]•2(H2O) F dd2 mm2 |
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77.01.05.02 Tetranatrolite? Na2[Al2Si3O10]•2(H2O) I 42d 4 2m |
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77.01.05.03 Paranatrolite Na2[Al2Si3O10]•3(H2O) Cc m |
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77.01.05.04 Mesolite Na2Ca2Al6Si9O30•8(H2O) C 2 2 |
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77.01.05.05 Scolecite CaAl2Si3O10•3(H2O) Cc m |
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77.01.05.06 Edingtonite BaAl2Si3O10•4(H2O) P 21212 2 2 2 |
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77.01.05.07 Gonnardite Na2CaAl4Si6O20•7(H2O) I 42d 4 2m |
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77.01.05.08 Cowlesite CaAl2Si3O10•5-6(H2O) P 2221, P mmm, Pmm2 Ortho |
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77.01.05.09 Thomsonite-Ca NaCa2Al5Si5O20•6(H2O) Pncn 2/m 2/m 2/m |
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77.01.05.10 Thomsonite-Sr! (Sr,Ca)2Na[Al5Si5O20]•7(H2O) Pcnn 2/m 2/m 2/m |
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77.01.05.11 Nabesite! Na2BeSi4O10•4(H2O) P 212121 2 2 2 |
| Strunz Class: |
09.GA.05 09 - SILICATES (Germanates) |
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09.G - Tektosilicates with Zeolitic H2O |
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09.GA -Zeolites with T5O10 Units � The Fibrous Zeolites |
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09.GA.05 Gonnardite Na2CaAl4Si6O20•7(H2O) I 42d 4 2m |
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09.GA.05 Mesolite Na2Ca2Al6Si9O30•8(H2O) C 2 2 |
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09.GA.05 Natrolite Na2[Al2Si3O10]•2(H2O) F dd2 mm2 |
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09.GA.05 Paranatrolite Na2[Al2Si3O10]•3(H2O) Cc m |
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09.GA.05 Scolecite CaAl2Si3O10•3(H2O) Cc m |
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09.GA.05 Tetranatrolite? Na2[Al2Si3O10]•2(H2O) I 42d 4 2m |
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Other Paranatrolite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8, AmMin 90:522) |
| See Also: |
Links to other databases for Paranatrolite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
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Paranatrolite
Na2[Al2Si3O10]•3(H2O)
Dana No: 77.01.05.03 Strunz No: 09.GA.05
Locality:
Notes:
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